Re: error while loading state for instance 0x0 of device 'kvmclock'

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On 11/02/2009 12:28 PM, Jan Kiszka wrote:
Jan Kiszka wrote:
Hi,

current qemu-kvm.git gives me the message "qemu: warning: error while
loading state for instance 0x0 of device 'kvmclock'" when I run a simple
"savevm" followed by a "loadvm 1". What's broken here?
OK, this is due to "KVM: add flags to kvm_clock_data" (958b0c5497): the
flags field is not cleared on KVM_SET_CLOCK. Will post a fix.

But the above kernel commit is also broken: KVM_GET_CLOCK checks
uninitialized user_ns.flags (probably instead of the user's value). This
raises the question if the caller of KVM_GET_CLOCK is also supposed to
pass kvm_clock_data with flags cleared down to the kernel. Could someone
clarify this so I could fix it accordingly?

I'd make KVM_GET_CLOCK set the flags, not get them. So if we add new fields, we just set a new bit and userspace can read it.

--
error compiling committee.c: too many arguments to function

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